## @file
# Parse FV image
#
# Copyright (c) 2008 - 2010, Intel Corporation
# All rights reserved. This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution.  The full text of the license may be found at
# http://opensource.org/licenses/bsd-license.php
#
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#

## Import Modules
#
import os
import re
import sys
import uuid
import struct
import codecs
import copy

from UserDict import IterableUserDict
from cStringIO import StringIO
from array import array

from CommonDataClass import *
from Common.Misc import sdict, GuidStructureStringToGuidString

import Common.EdkLogger as EdkLogger

import EotGlobalData

# Global definiton
gFfsPrintTitle  = "%-36s  %-21s %8s %8s %8s  %-4s %-36s" % ("GUID", "TYPE", "OFFSET", "SIZE", "FREE", "ALIGN", "NAME")
gFfsPrintFormat = "%36s  %-21s %8X %8X %8X  %4s %-36s"
gGuidStringFormat = "%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X"
gPeiAprioriFileNameGuid = '1b45cc0a-156a-428a-af62-49864da0e6e6'
gAprioriGuid = 'fc510ee7-ffdc-11d4-bd41-0080c73c8881'
gIndention = -4

## Image() class
#
#  A class for Image
#
class Image(array):
    _HEADER_ = struct.Struct("")
    _HEADER_SIZE_ = _HEADER_.size

    def __new__(cls, *args, **kwargs):
        return array.__new__(cls, 'B')

    def __init__(m, ID=None):
        if ID == None:
            m._ID_ = str(uuid.uuid1()).upper()
        else:
            m._ID_ = ID
        m._BUF_ = None
        m._LEN_ = None
        m._OFF_ = None

        m._SubImages = sdict() # {offset: Image()}

        array.__init__(m, 'B')

    def __repr__(m):
        return m._ID_

    def __len__(m):
        Len = array.__len__(m)
        for Offset in m._SubImages:
            Len += len(m._SubImages[Offset])
        return Len

    def _Unpack(m):
        m.extend(m._BUF_[m._OFF_ : m._OFF_ + m._LEN_])
        return len(m)

    def _Pack(m, PadByte=0xFF):
        raise NotImplementedError

    def frombuffer(m, Buffer, Offset=0, Size=None):
        m._BUF_ = Buffer
        m._OFF_ = Offset
        # we may need the Size information in advance if it's given
        m._LEN_ = Size
        m._LEN_ = m._Unpack()

    def empty(m):
        del m[0:]

    def GetField(m, FieldStruct, Offset=0):
        return FieldStruct.unpack_from(m, Offset)

    def SetField(m, FieldStruct, Offset, *args):
        # check if there's enough space
        Size = FieldStruct.size
        if Size > len(m):
            m.extend([0] * (Size - len(m)))
        FieldStruct.pack_into(m, Offset, *args)

    def _SetData(m, Data):
        if len(m) < m._HEADER_SIZE_:
            m.extend([0] * (m._HEADER_SIZE_ - len(m)))
        else:
            del m[m._HEADER_SIZE_:]
        m.extend(Data)

    def _GetData(m):
        if len(m) > m._HEADER_SIZE_:
            return m[m._HEADER_SIZE_:]
        return None

    Data = property(_GetData, _SetData)

## FirmwareVolume() class
#
#  A class for Firmware Volume
#
class FirmwareVolume(Image):
    # Read FvLength, Attributes, HeaderLength, Checksum
    _HEADER_ = struct.Struct("16x 1I2H8B 1Q 4x 1I 1H 1H")
    _HEADER_SIZE_ = _HEADER_.size

    _FfsGuid = "8C8CE578-8A3D-4F1C-9935-896185C32DD3"

    _GUID_      = struct.Struct("16x 1I2H8B")
    _LENGTH_    = struct.Struct("16x 16x 1Q")
    _SIG_       = struct.Struct("16x 16x 8x 1I")
    _ATTR_      = struct.Struct("16x 16x 8x 4x 1I")
    _HLEN_      = struct.Struct("16x 16x 8x 4x 4x 1H")
    _CHECKSUM_  = struct.Struct("16x 16x 8x 4x 4x 2x 1H")

    def __init__(self, Name=''):
        Image.__init__(self)
        self.Name = Name
        self.FfsDict = sdict()
        self.OrderedFfsDict = sdict()
        self.UnDispatchedFfsDict = sdict()
        self.NoDepexFfsDict = sdict()
        self.ProtocolList = sdict()

    def CheckArchProtocol(self):
        for Item in EotGlobalData.gArchProtocolGuids:
            if Item.lower() not in EotGlobalData.gProtocolList:

                return False

        return True

    def ParseDepex(self, Depex, Type):
        List = None
        if Type == 'Ppi':
            List = EotGlobalData.gPpiList
        if Type == 'Protocol':
            List = EotGlobalData.gProtocolList
        DepexStack = []
        DepexList = []
        DepexString = ''
        FileDepex = None
        CouldBeLoaded = True
        for Index in range(0, len(Depex.Expression)):
            Item = Depex.Expression[Index]
            if Item == 0x00:
                Index = Index + 1
                Guid = gGuidStringFormat % Depex.Expression[Index]
                if Guid in self.OrderedFfsDict and Depex.Expression[Index + 1] == 0x08:
                    return (True, 'BEFORE %s' % Guid, [Guid, 'BEFORE'])
            elif Item == 0x01:
                Index = Index + 1
                Guid = gGuidStringFormat % Depex.Expression[Index]
                if Guid in self.OrderedFfsDict and Depex.Expression[Index + 1] == 0x08:
                    return (True, 'AFTER %s' % Guid, [Guid, 'AFTER'])
            elif Item == 0x02:
                Index = Index + 1
                Guid = gGuidStringFormat % Depex.Expression[Index]
                if Guid.lower() in List:
                    DepexStack.append(True)
                    DepexList.append(Guid)
                else:
                    DepexStack.append(False)
                    DepexList.append(Guid)
                continue
            elif Item == 0x03 or Item == 0x04:
                DepexStack.append(eval(str(DepexStack.pop()) + ' ' + Depex._OPCODE_STRING_[Item].lower() + ' ' + str(DepexStack.pop())))
                DepexList.append(str(DepexList.pop()) + ' ' + Depex._OPCODE_STRING_[Item].upper() + ' ' + str(DepexList.pop()))
            elif Item == 0x05:
                DepexStack.append(eval(Depex._OPCODE_STRING_[Item].lower() + ' ' + str(DepexStack.pop())))
                DepexList.append(Depex._OPCODE_STRING_[Item].lower() + ' ' + str(DepexList.pop()))
            elif Item == 0x06:
                DepexStack.append(True)
                DepexList.append('TRUE')
                DepexString = DepexString + 'TRUE' + ' '
            elif Item == 0x07:
                DepexStack.append(False)
                DepexList.append('False')
                DepexString = DepexString + 'FALSE' + ' '
            elif Item == 0x08:
                if Index != len(Depex.Expression) - 1:
                    CouldBeLoaded = False
                else:
                    CouldBeLoaded = DepexStack.pop()
            else:
                CouldBeLoaded = False
        if DepexList != []:
            DepexString = DepexList[0].strip()
        return (CouldBeLoaded, DepexString, FileDepex)

    def Dispatch(self, Db = None):
        if Db == None:
            return False
        self.UnDispatchedFfsDict = copy.copy(self.FfsDict)
        # Find PeiCore, DexCore, PeiPriori, DxePriori first
        FfsSecCoreGuid = None
        FfsPeiCoreGuid = None
        FfsDxeCoreGuid = None
        FfsPeiPrioriGuid = None
        FfsDxePrioriGuid = None
        for FfsID in self.UnDispatchedFfsDict:
            Ffs = self.UnDispatchedFfsDict[FfsID]
            if Ffs.Type == 0x03:
                FfsSecCoreGuid = FfsID
                continue
            if Ffs.Type == 0x04:
                FfsPeiCoreGuid = FfsID
                continue
            if Ffs.Type == 0x05:
                FfsDxeCoreGuid = FfsID
                continue
            if Ffs.Guid.lower() == gPeiAprioriFileNameGuid:
                FfsPeiPrioriGuid = FfsID
                continue
            if Ffs.Guid.lower() == gAprioriGuid:
                FfsDxePrioriGuid = FfsID
                continue

        # Parse SEC_CORE first
        if FfsSecCoreGuid != None:
            self.OrderedFfsDict[FfsSecCoreGuid] = self.UnDispatchedFfsDict.pop(FfsSecCoreGuid)
            self.LoadPpi(Db, FfsSecCoreGuid)

        # Parse PEI first
        if FfsPeiCoreGuid != None:
            self.OrderedFfsDict[FfsPeiCoreGuid] = self.UnDispatchedFfsDict.pop(FfsPeiCoreGuid)
            self.LoadPpi(Db, FfsPeiCoreGuid)
            if FfsPeiPrioriGuid != None:
                # Load PEIM described in priori file
                FfsPeiPriori = self.UnDispatchedFfsDict.pop(FfsPeiPrioriGuid)
                if len(FfsPeiPriori.Sections) == 1:
                    Section = FfsPeiPriori.Sections.popitem()[1]
                    if Section.Type == 0x19:
                        GuidStruct = struct.Struct('1I2H8B')
                        Start = 4
                        while len(Section) > Start:
                            Guid = GuidStruct.unpack_from(Section[Start : Start + 16])
                            GuidString = gGuidStringFormat % Guid
                            Start = Start + 16
                            if GuidString in self.UnDispatchedFfsDict:
                                self.OrderedFfsDict[GuidString] = self.UnDispatchedFfsDict.pop(GuidString)
                                self.LoadPpi(Db, GuidString)

        self.DisPatchPei(Db)

        # Parse DXE then
        if FfsDxeCoreGuid != None:
            self.OrderedFfsDict[FfsDxeCoreGuid] = self.UnDispatchedFfsDict.pop(FfsDxeCoreGuid)
            self.LoadProtocol(Db, FfsDxeCoreGuid)
            if FfsDxePrioriGuid != None:
                # Load PEIM described in priori file
                FfsDxePriori = self.UnDispatchedFfsDict.pop(FfsDxePrioriGuid)
                if len(FfsDxePriori.Sections) == 1:
                    Section = FfsDxePriori.Sections.popitem()[1]
                    if Section.Type == 0x19:
                        GuidStruct = struct.Struct('1I2H8B')
                        Start = 4
                        while len(Section) > Start:
                            Guid = GuidStruct.unpack_from(Section[Start : Start + 16])
                            GuidString = gGuidStringFormat % Guid
                            Start = Start + 16
                            if GuidString in self.UnDispatchedFfsDict:
                                self.OrderedFfsDict[GuidString] = self.UnDispatchedFfsDict.pop(GuidString)
                                self.LoadProtocol(Db, GuidString)

        self.DisPatchDxe(Db)

    def DisPatchNoDepexFfs(self, Db):
        # Last Load Drivers without Depex
        for FfsID in self.NoDepexFfsDict:
            NewFfs = self.NoDepexFfsDict.pop(FfsID)
            self.OrderedFfsDict[FfsID] = NewFfs
            self.LoadProtocol(Db, FfsID)

        return True

    def LoadCallbackProtocol(self):
        IsLoad = True
        for Protocol in self.ProtocolList:
            for Callback in self.ProtocolList[Protocol][1]:
                if Callback[0] not in self.OrderedFfsDict.keys():
                    IsLoad = False
                    continue
            if IsLoad:
                EotGlobalData.gProtocolList[Protocol.lower()] = self.ProtocolList[Protocol][0]
                self.ProtocolList.pop(Protocol)

    def LoadProtocol(self, Db, ModuleGuid):
        SqlCommand = """select GuidValue from Report
                        where SourceFileFullPath in
                        (select Value1 from Inf where BelongsToFile =
                        (select BelongsToFile from Inf
                        where Value1 = 'FILE_GUID' and Value2 like '%s' and Model = %s)
                        and Model = %s)
                        and ItemType = 'Protocol' and ItemMode = 'Produced'""" \
                        % (ModuleGuid, 5001, 3007)
        RecordSet = Db.TblReport.Exec(SqlCommand)
        for Record in RecordSet:
            SqlCommand = """select Value2 from Inf where BelongsToFile =
                            (select DISTINCT BelongsToFile from Inf
                            where Value1 =
                            (select SourceFileFullPath from Report
                            where GuidValue like '%s' and ItemMode = 'Callback'))
                            and Value1 = 'FILE_GUID'""" % Record[0]
            CallBackSet = Db.TblReport.Exec(SqlCommand)
            if CallBackSet != []:
                EotGlobalData.gProtocolList[Record[0].lower()] = ModuleGuid
            else:
                EotGlobalData.gProtocolList[Record[0].lower()] = ModuleGuid

    def LoadPpi(self, Db, ModuleGuid):
        SqlCommand = """select GuidValue from Report
                        where SourceFileFullPath in
                        (select Value1 from Inf where BelongsToFile =
                        (select BelongsToFile from Inf
                        where Value1 = 'FILE_GUID' and Value2 like '%s' and Model = %s)
                        and Model = %s)
                        and ItemType = 'Ppi' and ItemMode = 'Produced'""" \
                        % (ModuleGuid, 5001, 3007)
        RecordSet = Db.TblReport.Exec(SqlCommand)
        for Record in RecordSet:
            EotGlobalData.gPpiList[Record[0].lower()] = ModuleGuid

    def DisPatchDxe(self, Db):
        IsInstalled = False
        ScheduleList = sdict()
        for FfsID in self.UnDispatchedFfsDict:
            CouldBeLoaded = False
            DepexString = ''
            FileDepex = None
            Ffs = self.UnDispatchedFfsDict[FfsID]
            if Ffs.Type == 0x07:
                # Get Depex
                IsFoundDepex = False
                for Section in Ffs.Sections.values():
                    # Find Depex
                    if Section.Type == 0x13:
                        IsFoundDepex = True
                        CouldBeLoaded, DepexString, FileDepex = self.ParseDepex(Section._SubImages[4], 'Protocol')
                        break
                    if Section.Type == 0x01:
                        CompressSections = Section._SubImages[4]
                        for CompressSection in CompressSections.Sections:
                            if CompressSection.Type == 0x13:
                                IsFoundDepex = True
                                CouldBeLoaded, DepexString, FileDepex = self.ParseDepex(CompressSection._SubImages[4], 'Protocol')
                                break
                            if CompressSection.Type == 0x02:
                                NewSections = CompressSection._SubImages[4]
                                for NewSection in NewSections.Sections:
                                    if NewSection.Type == 0x13:
                                        IsFoundDepex = True
                                        CouldBeLoaded, DepexString, FileDepex = self.ParseDepex(NewSection._SubImages[4], 'Protocol')
                                        break

                # Not find Depex
                if not IsFoundDepex:
                    CouldBeLoaded = self.CheckArchProtocol()
                    DepexString = ''
                    FileDepex = None

                # Append New Ffs
                if CouldBeLoaded:
                    IsInstalled = True
                    NewFfs = self.UnDispatchedFfsDict.pop(FfsID)
                    NewFfs.Depex = DepexString
                    if FileDepex != None:
                        ScheduleList.insert.insert(FileDepex[1], FfsID, NewFfs, FileDepex[0])
                    else:
                        ScheduleList[FfsID] = NewFfs
                else:
                    self.UnDispatchedFfsDict[FfsID].Depex = DepexString

        for FfsID in ScheduleList:
            NewFfs = ScheduleList.pop(FfsID)
            FfsName = 'UnKnown'
            self.OrderedFfsDict[FfsID] = NewFfs
            self.LoadProtocol(Db, FfsID)

            SqlCommand = """select Value2 from Inf
                            where BelongsToFile = (select BelongsToFile from Inf where Value1 = 'FILE_GUID' and lower(Value2) = lower('%s') and Model = %s)
                            and Model = %s and Value1='BASE_NAME'""" % (FfsID, 5001, 5001)
            RecordSet = Db.TblReport.Exec(SqlCommand)
            if RecordSet != []:
                FfsName = RecordSet[0][0]

        if IsInstalled:
            self.DisPatchDxe(Db)

    def DisPatchPei(self, Db):
        IsInstalled = False
        for FfsID in self.UnDispatchedFfsDict:
            CouldBeLoaded = True
            DepexString = ''
            FileDepex = None
            Ffs = self.UnDispatchedFfsDict[FfsID]
            if Ffs.Type == 0x06 or Ffs.Type == 0x08:
                # Get Depex
                for Section in Ffs.Sections.values():
                    if Section.Type == 0x1B:
                        CouldBeLoaded, DepexString, FileDepex = self.ParseDepex(Section._SubImages[4], 'Ppi')
                        break

                    if Section.Type == 0x01:
                        CompressSections = Section._SubImages[4]
                        for CompressSection in CompressSections.Sections:
                            if CompressSection.Type == 0x1B:
                                CouldBeLoaded, DepexString, FileDepex = self.ParseDepex(CompressSection._SubImages[4], 'Ppi')
                                break
                            if CompressSection.Type == 0x02:
                                NewSections = CompressSection._SubImages[4]
                                for NewSection in NewSections.Sections:
                                    if NewSection.Type == 0x1B:
                                        CouldBeLoaded, DepexString, FileDepex = self.ParseDepex(NewSection._SubImages[4], 'Ppi')
                                        break

                # Append New Ffs
                if CouldBeLoaded:
                    IsInstalled = True
                    NewFfs = self.UnDispatchedFfsDict.pop(FfsID)
                    NewFfs.Depex = DepexString
                    self.OrderedFfsDict[FfsID] = NewFfs
                    self.LoadPpi(Db, FfsID)
                else:
                    self.UnDispatchedFfsDict[FfsID].Depex = DepexString

        if IsInstalled:
            self.DisPatchPei(Db)


    def __str__(self):
        global gIndention
        gIndention += 4
        FvInfo = '\n' + ' ' * gIndention
        FvInfo +=  "[FV:%s] file_system=%s size=%x checksum=%s\n" % (self.Name, self.FileSystemGuid, self.Size, self.Checksum)
        FfsInfo = "\n".join([str(self.FfsDict[FfsId]) for FfsId in self.FfsDict])
        gIndention -= 4
        return FvInfo + FfsInfo

    def _Unpack(self):
        Size = self._LENGTH_.unpack_from(self._BUF_, self._OFF_)[0]
        self.empty()
        self.extend(self._BUF_[self._OFF_:self._OFF_+Size])

        # traverse the FFS
        EndOfFv = Size
        FfsStartAddress = self.HeaderSize
        LastFfsObj = None
        while FfsStartAddress < EndOfFv:
            FfsObj = Ffs()
            FfsObj.frombuffer(self, FfsStartAddress)
            FfsId = repr(FfsObj)
            if ((self.Attributes & 0x00000800) != 0 and len(FfsObj) == 0xFFFFFF) \
                or ((self.Attributes & 0x00000800) == 0 and len(FfsObj) == 0):
                if LastFfsObj != None:
                    LastFfsObj.FreeSpace = EndOfFv - LastFfsObj._OFF_ - len(LastFfsObj)
            else:
                if FfsId in self.FfsDict:
                    EdkLogger.error("FV", 0, "Duplicate GUID in FFS",
                                    ExtraData="\t%s @ %s\n\t%s @ %s" \
                                    % (FfsObj.Guid, FfsObj.Offset,
                                       self.FfsDict[FfsId].Guid, self.FfsDict[FfsId].Offset))
                self.FfsDict[FfsId] = FfsObj
                if LastFfsObj != None:
                    LastFfsObj.FreeSpace = FfsStartAddress - LastFfsObj._OFF_ - len(LastFfsObj)

            FfsStartAddress += len(FfsObj)
            #
            # align to next 8-byte aligned address: A = (A + 8 - 1) & (~(8 - 1))
            # The next FFS must be at the latest next 8-byte aligned address
            #
            FfsStartAddress = (FfsStartAddress + 7) & (~7)
            LastFfsObj = FfsObj

    def _GetAttributes(self):
        return self.GetField(self._ATTR_, 0)[0]

    def _GetSize(self):
        return self.GetField(self._LENGTH_, 0)[0]

    def _GetChecksum(self):
        return self.GetField(self._CHECKSUM_, 0)[0]

    def _GetHeaderLength(self):
        return self.GetField(self._HLEN_, 0)[0]

    def _GetFileSystemGuid(self):
        return gGuidStringFormat % self.GetField(self._GUID_, 0)

    Attributes = property(_GetAttributes)
    Size = property(_GetSize)
    Checksum = property(_GetChecksum)
    HeaderSize = property(_GetHeaderLength)
    FileSystemGuid = property(_GetFileSystemGuid)

## CompressedImage() class
#
#  A class for Compressed Image
#
class CompressedImage(Image):
    # UncompressedLength = 4-byte
    # CompressionType = 1-byte
    _HEADER_ = struct.Struct("1I 1B")
    _HEADER_SIZE_ = _HEADER_.size

    _ORIG_SIZE_     = struct.Struct("1I")
    _CMPRS_TYPE_    = struct.Struct("4x 1B")

    def __init__(m, CompressedData=None, CompressionType=None, UncompressedLength=None):
        Image.__init__(m)
        if UncompressedLength != None:
            m.UncompressedLength = UncompressedLength
        if CompressionType != None:
            m.CompressionType = CompressionType
        if CompressedData != None:
            m.Data = CompressedData

    def __str__(m):
        global gIndention
        S = "algorithm=%s uncompressed=%x" % (m.CompressionType, m.UncompressedLength)
        for Sec in m.Sections:
            S += '\n' + str(Sec)

        return S

    def _SetOriginalSize(m, Size):
        m.SetField(m._ORIG_SIZE_, 0, Size)

    def _GetOriginalSize(m):
        return m.GetField(m._ORIG_SIZE_)[0]

    def _SetCompressionType(m, Type):
        m.SetField(m._CMPRS_TYPE_, 0, Type)

    def _GetCompressionType(m):
        return m.GetField(m._CMPRS_TYPE_)[0]

    def _GetSections(m):
        try:
            import EfiCompressor
            TmpData = EfiCompressor.FrameworkDecompress(
                                        m[m._HEADER_SIZE_:],
                                        len(m) - m._HEADER_SIZE_
                                        )
            DecData = array('B')
            DecData.fromstring(TmpData)
        except:
            import EfiCompressor
            TmpData = EfiCompressor.UefiDecompress(
                                        m[m._HEADER_SIZE_:],
                                        len(m) - m._HEADER_SIZE_
                                        )
            DecData = array('B')
            DecData.fromstring(TmpData)

        SectionList = []
        Offset = 0
        while Offset < len(DecData):
            Sec = Section()
            try:
                Sec.frombuffer(DecData, Offset)
                Offset += Sec.Size
                # the section is aligned to 4-byte boundary
            except:
                break
            SectionList.append(Sec)
        return SectionList

    UncompressedLength = property(_GetOriginalSize, _SetOriginalSize)
    CompressionType = property(_GetCompressionType, _SetCompressionType)
    Sections = property(_GetSections)

## GuidDefinedImage() class
#
#  A class for GUID Defined Image
#
class GuidDefinedImage(Image):
    _HEADER_ = struct.Struct("1I2H8B 1H 1H")
    _HEADER_SIZE_ = _HEADER_.size

    _GUID_          = struct.Struct("1I2H8B")
    _DATA_OFFSET_   = struct.Struct("16x 1H")
    _ATTR_          = struct.Struct("18x 1H")

    CRC32_GUID          = "FC1BCDB0-7D31-49AA-936A-A4600D9DD083"
    TIANO_COMPRESS_GUID = 'A31280AD-481E-41B6-95E8-127F4C984779'
    LZMA_COMPRESS_GUID  = 'EE4E5898-3914-4259-9D6E-DC7BD79403CF'

    def __init__(m, SectionDefinitionGuid=None, DataOffset=None, Attributes=None, Data=None):
        Image.__init__(m)
        if SectionDefinitionGuid != None:
            m.SectionDefinitionGuid = SectionDefinitionGuid
        if DataOffset != None:
            m.DataOffset = DataOffset
        if Attributes != None:
            m.Attributes = Attributes
        if Data != None:
            m.Data = Data

    def __str__(m):
        S = "guid=%s" % (gGuidStringFormat % m.SectionDefinitionGuid)
        for Sec in m.Sections:
            S += "\n" + str(Sec)
        return S

    def _Unpack(m):
        # keep header in this Image object
        m.empty()
        m.extend(m._BUF_[m._OFF_ : m._OFF_ + m._LEN_])
        return len(m)

    def _SetAttribute(m, Attribute):
        m.SetField(m._ATTR_, 0, Attribute)

    def _GetAttribute(m):
        return m.GetField(m._ATTR_)[0]

    def _SetGuid(m, Guid):
        m.SetField(m._GUID_, 0, Guid)

    def _GetGuid(m):
        return m.GetField(m._GUID_)

    def _SetDataOffset(m, Offset):
        m.SetField(m._DATA_OFFSET_, 0, Offset)

    def _GetDataOffset(m):
        return m.GetField(m._DATA_OFFSET_)[0]

    def _GetSections(m):
        SectionList = []
        Guid = gGuidStringFormat % m.SectionDefinitionGuid
        if Guid == m.CRC32_GUID:
            # skip the CRC32 value, we don't do CRC32 verification here
            Offset = m.DataOffset - 4
            while Offset < len(m):
                Sec = Section()
                try:
                    Sec.frombuffer(m, Offset)
                    Offset += Sec.Size
                    # the section is aligned to 4-byte boundary
                    Offset = (Offset + 3) & (~3)
                except:
                    break
                SectionList.append(Sec)
        elif Guid == m.TIANO_COMPRESS_GUID:
            try:
                import EfiCompressor
                # skip the header
                Offset = m.DataOffset - 4
                TmpData = EfiCompressor.FrameworkDecompress(m[Offset:], len(m)-Offset)
                DecData = array('B')
                DecData.fromstring(TmpData)
                Offset = 0
                while Offset < len(DecData):
                    Sec = Section()
                    try:
                        Sec.frombuffer(DecData, Offset)
                        Offset += Sec.Size
                        # the section is aligned to 4-byte boundary
                        Offset = (Offset + 3) & (~3)
                    except:
                        break
                    SectionList.append(Sec)
            except:
                pass
        elif Guid == m.LZMA_COMPRESS_GUID:
            try:
                import LzmaCompressor
                # skip the header
                Offset = m.DataOffset - 4
                TmpData = LzmaCompressor.LzmaDecompress(m[Offset:], len(m)-Offset)
                DecData = array('B')
                DecData.fromstring(TmpData)
                Offset = 0
                while Offset < len(DecData):
                    Sec = Section()
                    try:
                        Sec.frombuffer(DecData, Offset)
                        Offset += Sec.Size
                        # the section is aligned to 4-byte boundary
                        Offset = (Offset + 3) & (~3)
                    except:
                        break
                    SectionList.append(Sec)
            except:
                pass

        return SectionList

    Attributes = property(_GetAttribute, _SetAttribute)
    SectionDefinitionGuid = property(_GetGuid, _SetGuid)
    DataOffset = property(_GetDataOffset, _SetDataOffset)
    Sections = property(_GetSections)

## Depex() class
#
#  A class for Depex
#
class Depex(Image):
    _HEADER_ = struct.Struct("")
    _HEADER_SIZE_ = 0

    _GUID_          = struct.Struct("1I2H8B")
    _OPCODE_        = struct.Struct("1B")

    _OPCODE_STRING_ = {
        0x00    :   "BEFORE",
        0x01    :   "AFTER",
        0x02    :   "PUSH",
        0x03    :   "AND",
        0x04    :   "OR",
        0x05    :   "NOT",
        0x06    :   "TRUE",
        0x07    :   "FALSE",
        0x08    :   "END",
        0x09    :   "SOR"
    }

    _NEXT_ = {
        -1      :   _OPCODE_,   # first one in depex must be an opcdoe
        0x00    :   _GUID_,     #"BEFORE",
        0x01    :   _GUID_,     #"AFTER",
        0x02    :   _GUID_,     #"PUSH",
        0x03    :   _OPCODE_,   #"AND",
        0x04    :   _OPCODE_,   #"OR",
        0x05    :   _OPCODE_,   #"NOT",
        0x06    :   _OPCODE_,   #"TRUE",
        0x07    :   _OPCODE_,   #"FALSE",
        0x08    :   None,       #"END",
        0x09    :   _OPCODE_,   #"SOR"
    }

    def __init__(m):
        Image.__init__(m)
        m._ExprList = []

    def __str__(m):
        global gIndention
        gIndention += 4
        Indention = ' ' * gIndention
        S = '\n'
        for T in m.Expression:
            if T in m._OPCODE_STRING_:
                S += Indention + m._OPCODE_STRING_[T]
                if T not in [0x00, 0x01, 0x02]:
                    S += '\n'
            else:
                S += ' ' + gGuidStringFormat % T + '\n'
        gIndention -= 4
        return S

    def _Unpack(m):
        # keep header in this Image object
        m.empty()
        m.extend(m._BUF_[m._OFF_ : m._OFF_ + m._LEN_])
        return len(m)

    def _GetExpression(m):
        if m._ExprList == []:
            Offset = 0
            CurrentData = m._OPCODE_
            while Offset < len(m):
                Token = CurrentData.unpack_from(m, Offset)
                Offset += CurrentData.size
                if len(Token) == 1:
                    Token = Token[0]
                    if Token in m._NEXT_:
                        CurrentData = m._NEXT_[Token]
                    else:
                        CurrentData = m._GUID_
                else:
                    CurrentData = m._OPCODE_
                m._ExprList.append(Token)
                if CurrentData == None:
                    break
        return m._ExprList

    Expression = property(_GetExpression)

## Ui() class
#
#  A class for Ui
#
class Ui(Image):
    _HEADER_ = struct.Struct("")
    _HEADER_SIZE_ = 0

    def __init__(m):
        Image.__init__(m)

    def __str__(m):
        return m.String

    def _Unpack(m):
        # keep header in this Image object
        m.empty()
        m.extend(m._BUF_[m._OFF_ : m._OFF_ + m._LEN_])
        return len(m)

    def _GetUiString(m):
        return codecs.utf_16_decode(m[0:-2].tostring())[0]

    String = property(_GetUiString)

## Section() class
#
#  A class for Section
#
class Section(Image):
    _TypeName = {
        0x00    :   "<unknown>",
        0x01    :   "COMPRESSION",
        0x02    :   "GUID_DEFINED",
        0x10    :   "PE32",
        0x11    :   "PIC",
        0x12    :   "TE",
        0x13    :   "DXE_DEPEX",
        0x14    :   "VERSION",
        0x15    :   "USER_INTERFACE",
        0x16    :   "COMPATIBILITY16",
        0x17    :   "FIRMWARE_VOLUME_IMAGE",
        0x18    :   "FREEFORM_SUBTYPE_GUID",
        0x19    :   "RAW",
        0x1B    :   "PEI_DEPEX"
    }

    _SectionSubImages = {
        0x01    :   CompressedImage,
        0x02    :   GuidDefinedImage,
        0x17    :   FirmwareVolume,
        0x13    :   Depex,
        0x1B    :   Depex,
        0x15    :   Ui
    }

    # Size = 3-byte
    # Type = 1-byte
    _HEADER_ = struct.Struct("3B 1B")
    _HEADER_SIZE_ = _HEADER_.size

    # SubTypeGuid
    # _FREE_FORM_SUBTYPE_GUID_HEADER_ = struct.Struct("1I2H8B")

    _SIZE_          = struct.Struct("3B")
    _TYPE_          = struct.Struct("3x 1B")

    def __init__(m, Type=None, Size=None):
        Image.__init__(m)
        m._Alignment = 1
        if Type != None:
            m.Type = Type
        if Size != None:
            m.Size = Size

    def __str__(m):
        global gIndention
        gIndention += 4
        SectionInfo = ' ' * gIndention
        if m.Type in m._TypeName:
            SectionInfo += "[SECTION:%s] offset=%x size=%x" % (m._TypeName[m.Type], m._OFF_, m.Size)
        else:
            SectionInfo += "[SECTION:%x<unknown>] offset=%x size=%x " % (m.Type, m._OFF_, m.Size)
        for Offset in m._SubImages:
            SectionInfo += ", " + str(m._SubImages[Offset])
        gIndention -= 4
        return SectionInfo

    def _Unpack(m):
        m.empty()
        Type, = m._TYPE_.unpack_from(m._BUF_, m._OFF_)
        Size1, Size2, Size3 = m._SIZE_.unpack_from(m._BUF_, m._OFF_)
        Size = Size1 + (Size2 << 8) + (Size3 << 16)

        if Type not in m._SectionSubImages:
            # no need to extract sub-image, keep all in this Image object
            m.extend(m._BUF_[m._OFF_ : m._OFF_ + Size])
        else:
            # keep header in this Image object
            m.extend(m._BUF_[m._OFF_ : m._OFF_ + m._HEADER_SIZE_])
            #
            # use new Image object to represent payload, which may be another kind
            # of image such as PE32
            #
            PayloadOffset = m._HEADER_SIZE_
            PayloadLen = m.Size - m._HEADER_SIZE_
            Payload = m._SectionSubImages[m.Type]()
            Payload.frombuffer(m._BUF_, m._OFF_ + m._HEADER_SIZE_, PayloadLen)
            m._SubImages[PayloadOffset] = Payload

        return Size

    def _SetSize(m, Size):
        Size1 = Size & 0xFF
        Size2 = (Size & 0xFF00) >> 8
        Size3 = (Size & 0xFF0000) >> 16
        m.SetField(m._SIZE_, 0, Size1, Size2, Size3)

    def _GetSize(m):
        Size1, Size2, Size3 = m.GetField(m._SIZE_)
        return Size1 + (Size2 << 8) + (Size3 << 16)

    def _SetType(m, Type):
        m.SetField(m._TYPE_, 0, Type)

    def _GetType(m):
        return m.GetField(m._TYPE_)[0]

    def _GetAlignment(m):
        return m._Alignment

    def _SetAlignment(m, Alignment):
        m._Alignment = Alignment
        AlignmentMask = Alignment - 1
        # section alignment is actually for payload, so we need to add header size
        PayloadOffset = m._OFF_ + m._HEADER_SIZE_
        if (PayloadOffset & (~AlignmentMask)) == 0:
            return
        NewOffset = (PayloadOffset + AlignmentMask) & (~AlignmentMask)
        while (NewOffset - PayloadOffset) < m._HEADER_SIZE_:
            NewOffset += m._Alignment

    def tofile(m, f):
        m.Size = len(m)
        Image.tofile(m, f)
        for Offset in m._SubImages:
            m._SubImages[Offset].tofile(f)

    Type = property(_GetType, _SetType)
    Size = property(_GetSize, _SetSize)
    Alignment = property(_GetAlignment, _SetAlignment)
    # SubTypeGuid = property(_GetGuid, _SetGuid)

## PadSection() class
#
#  A class for Pad Section
#
class PadSection(Section):
    def __init__(m, Size):
        Section.__init__(m)
        m.Type = 0x19
        m.Size = Size
        m.Data = [0] * (Size - m._HEADER_SIZE_)

## Ffs() class
#
#  A class for Ffs Section
#
class Ffs(Image):
    _FfsFormat = "24B%(payload_size)sB"
    # skip IntegrityCheck
    _HEADER_ = struct.Struct("1I2H8B 2x 1B 1B 3B 1B")
    _HEADER_SIZE_ = _HEADER_.size

    _NAME_      = struct.Struct("1I2H8B")
    _INT_CHECK_ = struct.Struct("16x 1H")
    _TYPE_      = struct.Struct("18x 1B")
    _ATTR_      = struct.Struct("19x 1B")
    _SIZE_      = struct.Struct("20x 3B")
    _STATE_     = struct.Struct("23x 1B")

    VTF_GUID = "1BA0062E-C779-4582-8566-336AE8F78F09"

    FFS_ATTRIB_FIXED              = 0x04
    FFS_ATTRIB_DATA_ALIGNMENT     = 0x38
    FFS_ATTRIB_CHECKSUM           = 0x40

    _TypeName = {
        0x00    :   "<unknown>",
        0x01    :   "RAW",
        0x02    :   "FREEFORM",
        0x03    :   "SECURITY_CORE",
        0x04    :   "PEI_CORE",
        0x05    :   "DXE_CORE",
        0x06    :   "PEIM",
        0x07    :   "DRIVER",
        0x08    :   "COMBINED_PEIM_DRIVER",
        0x09    :   "APPLICATION",
        0x0A    :   "SMM",
        0x0B    :   "FIRMWARE_VOLUME_IMAGE",
        0x0C    :   "COMBINED_SMM_DXE",
        0x0D    :   "SMM_CORE",
        0xc0    :   "OEM_MIN",
        0xdf    :   "OEM_MAX",
        0xe0    :   "DEBUG_MIN",
        0xef    :   "DEBUG_MAX",
        0xf0    :   "FFS_MIN",
        0xff    :   "FFS_MAX",
        0xf0    :   "FFS_PAD",
    }

    def __init__(self):
        Image.__init__(self)
        self.FreeSpace = 0

        self.Sections = sdict()
        self.Depex = ''

        self.__ID__ = None

    def __str__(self):
        global gIndention
        gIndention += 4
        Indention = ' ' * gIndention
        FfsInfo = Indention
        FfsInfo +=  "[FFS:%s] offset=%x size=%x guid=%s free_space=%x alignment=%s\n" % \
                    (Ffs._TypeName[self.Type], self._OFF_, self.Size, self.Guid, self.FreeSpace, self.Alignment)
        SectionInfo = '\n'.join([str(self.Sections[Offset]) for Offset in self.Sections])
        gIndention -= 4
        return FfsInfo + SectionInfo + "\n"

    def __len__(self):
        return self.Size

    def __repr__(self):
        return self.__ID__

    def _Unpack(self):
        Size1, Size2, Size3 = self._SIZE_.unpack_from(self._BUF_, self._OFF_)
        Size = Size1 + (Size2 << 8) + (Size3 << 16)
        self.empty()
        self.extend(self._BUF_[self._OFF_ : self._OFF_ + Size])

        # Pad FFS may use the same GUID. We need to avoid it.
        if self.Type == 0xf0:
            self.__ID__ = str(uuid.uuid1()).upper()
        else:
            self.__ID__ = self.Guid

        # Traverse the SECTION. RAW and PAD do not have sections
        if self.Type not in [0xf0, 0x01] and Size > 0 and Size < 0xFFFFFF:
            EndOfFfs = Size
            SectionStartAddress = self._HEADER_SIZE_
            while SectionStartAddress < EndOfFfs:
                SectionObj = Section()
                SectionObj.frombuffer(self, SectionStartAddress)
                #f = open(repr(SectionObj), 'wb')
                #SectionObj.Size = 0
                #SectionObj.tofile(f)
                #f.close()
                self.Sections[SectionStartAddress] = SectionObj
                SectionStartAddress += len(SectionObj)
                SectionStartAddress = (SectionStartAddress + 3) & (~3)

    def Pack(self):
        pass

    def SetFreeSpace(self, Size):
        self.FreeSpace = Size

    def _GetGuid(self):
        return gGuidStringFormat % self.Name

    def _SetName(self, Value):
        # Guid1, Guid2, Guid3, Guid4, Guid5, Guid6, Guid7, Guid8, Guid9, Guid10, Guid11
        self.SetField(self._NAME_, 0, Value)

    def _GetName(self):
        # Guid1, Guid2, Guid3, Guid4, Guid5, Guid6, Guid7, Guid8, Guid9, Guid10, Guid11
        return self.GetField(self._NAME_)

    def _SetSize(m, Size):
        Size1 = Size & 0xFF
        Size2 = (Size & 0xFF00) >> 8
        Size3 = (Size & 0xFF0000) >> 16
        m.SetField(m._SIZE_, 0, Size1, Size2, Size3)

    def _GetSize(m):
        Size1, Size2, Size3 = m.GetField(m._SIZE_)
        return Size1 + (Size2 << 8) + (Size3 << 16)

    def _SetType(m, Type):
        m.SetField(m._TYPE_, 0, Type)

    def _GetType(m):
        return m.GetField(m._TYPE_)[0]

    def _SetAttributes(self, Value):
        self.SetField(m._ATTR_, 0, Value)

    def _GetAttributes(self):
        return self.GetField(self._ATTR_)[0]

    def _GetFixed(self):
        if (self.Attributes & self.FFS_ATTRIB_FIXED) != 0:
            return True
        return False

    def _GetCheckSum(self):
        if (self.Attributes & self.FFS_ATTRIB_CHECKSUM) != 0:
            return True
        return False

    def _GetAlignment(self):
        return (self.Attributes & self.FFS_ATTRIB_DATA_ALIGNMENT) >> 3

    def _SetState(self, Value):
        self.SetField(m._STATE_, 0, Value)

    def _GetState(self):
        return self.GetField(m._STATE_)[0]

    Name = property(_GetName, _SetName)
    Guid = property(_GetGuid)
    Type = property(_GetType, _SetType)
    Size = property(_GetSize, _SetSize)
    Attributes = property(_GetAttributes, _SetAttributes)
    Fixed = property(_GetFixed)
    Checksum = property(_GetCheckSum)
    Alignment = property(_GetAlignment)
    State = property(_GetState, _SetState)

## PeImage() class
#
#  A class for PE Image
#
class PeImage:
    #
    # just extract e_lfanew
    #
    _DosHeaderFormat = "60x 1I"
    #
    # Machine
    # NumberOfSections
    # SizeOfOptionalHeader
    #
    _FileHeaderFormat = "4x 1H 1H 4x 4x 4x 1H 2x"
    #
    # Magic
    # SizeOfImage
    # SizeOfHeaders
    # CheckSum
    # NumberOfRvaAndSizes
    #
    _OptionalHeader32Format = "1H 54x 1I 1I 1I 24x 1I"
    _OptionalHeader64Format = ""
    def __init__(self, Buf, Offset, Size):
        self.Offset = Offset
        self.Size = Size
        self.Machine = 0x014c # IA32
        self.NumberOfSections = 0
        self.SizeOfImage = 0
        self.SizeOfOptionalHeader = 0
        self.Checksum = 0
        self._PeImageBuf = Buf
        self._SectionList = []

        self._DosHeader = struct.Struct(PeImage._DosHeaderFormat)
        self._FileHeader = struct.Struct(PeImage._FileHeaderFormat)
        self._OptionalHeader32 = struct.Struct(PeImage._OptionalHeader32Format)

        self.Buffer = None

        self._Unpack()

    def __str__(self):
        pass

    def __len__(self):
        return self.Size

    def _Unpack(self):
        # from DOS header, get the offset of PE header
        FileHeaderOffset, = self._DosHeader.unpack_from(self._PeImageBuf, self.Offset)
        if FileHeaderOffset < struct.calcsize(self._DosHeaderFormat):
            EdkLogger.error("PE+", 0, "Invalid offset of IMAGE_FILE_HEADER: %s" % FileHeaderOffset)

        # from FILE header, get the optional header size
        self.Machine, self.NumberOfSections, self.SizeOfOptionalHeader = \
            self._FileHeader.unpack_from(self._PeImageBuf, self.Offset + FileHeaderOffset)

        print "Machine=%x NumberOfSections=%x SizeOfOptionalHeader=%x" % (self.Machine, self.NumberOfSections, self.SizeOfOptionalHeader)
        # optional header follows the FILE header
        OptionalHeaderOffset = FileHeaderOffset + struct.calcsize(self._FileHeaderFormat)
        Magic, self.SizeOfImage, SizeOfHeaders, self.Checksum, NumberOfRvaAndSizes = \
            self._OptionalHeader32.unpack_from(self._PeImageBuf, self.Offset + OptionalHeaderOffset)
        print "Magic=%x SizeOfImage=%x SizeOfHeaders=%x, Checksum=%x, NumberOfRvaAndSizes=%x" % (Magic, self.SizeOfImage, SizeOfHeaders, self.Checksum, NumberOfRvaAndSizes)

        PeImageSectionTableOffset = OptionalHeaderOffset + self.SizeOfOptionalHeader
        PeSections = PeSectionTable(self._PeImageBuf, self.Offset + PeImageSectionTableOffset, self.NumberOfSections)

        print "%x" % PeSections.GetFileAddress(0x3920)

## PeSectionTable() class
#
#  A class for PE Section Table
#
class PeSectionTable:
    def __init__(self, Buf, Offset, NumberOfSections):
        self._SectionList = []

        SectionHeaderOffset = Offset
        for TableIndex in range(0, NumberOfSections):
            SectionHeader = PeSectionHeader(Buf, SectionHeaderOffset)
            self._SectionList.append(SectionHeader)
            SectionHeaderOffset += len(SectionHeader)
            print SectionHeader

    def GetFileAddress(self, Rva):
        for PeSection in self._SectionList:
            if Rva in PeSection:
                return PeSection[Rva]

## PeSectionHeader() class
#
#  A class for PE Section Header
#
class PeSectionHeader:
    #
    # VirtualAddress
    # SizeOfRawData
    # PointerToRawData
    #
    _HeaderFormat = "12x 1I 1I 1I 16x"
    _HeaderLength = struct.calcsize(_HeaderFormat)

    def __init__(self, Buf, Offset):
        self.VirtualAddressStart, self.SizeOfRawData, self.PointerToRawData = \
            struct.unpack_from(self._HeaderFormat, Buf, Offset)
        self.VirtualAddressEnd = self.VirtualAddressStart + self.SizeOfRawData - 1

    def __str__(self):
        return "VirtualAddress=%x, SizeOfRawData=%x, PointerToRawData=%x" % (self.VirtualAddressStart, self.SizeOfRawData, self.PointerToRawData)

    def __len__(self):
        return self._HeaderLength

    def __contains__(self, Rva):
        return Rva >= self.VirtualAddressStart and Rva <= self.VirtualAddressEnd

    def __getitem__(self, Rva):
        return Rva - self.VirtualAddressStart + self.PointerToRawData

## LinkMap() class
#
#  A class for Link Map
#
class LinkMap:
    _StartFlag = {
        "MSFT"  :   re.compile("Address +Publics by Value +Rva\+Base +Lib:Object"),
        "GCC"   :   re.compile("^\.(text|bss|data|edata)"),
    }

    _MappingFormat = {
        "MSFT"  :   re.compile("([0-9a-f]+):([0-9a-f]+)\s+_+([0-9A-Za-z]+)\s+([0-9a-f]+)\s+"),
        "GCC"   :   re.compile("^(\.\w)?\s+(0x[0-9a-f]+)\s+_+([0-9A-Za-z]+)"),
    }

    def __init__(self, MapFile, MapType="MSFT"):
        self.File = MapFile
        self.MapType = MapType
        self._Globals = {}  # global:RVA

        self._Parse()

    def _Parse(self):
        MapFile = open(self.File, 'r')
        MappingTitle = self._StartFlag[self.MapType]
        MappingFormat = self._MappingFormat[self.MapType]
        MappingStart = False
        try:
            for Line in MapFile:
                Line = Line.strip()
                if not MappingStart:
                    if MappingTitle.match(Line) != None:
                        MappingStart = True
                    continue
                ResultList = MappingFormat.findall(Line)
                if len(ResultList) == 0 or len(ResultList[0]) != 4:
                    continue
                self._Globals[ResultList[2]] = int(ResultList[3], 16)
                EdkLogger.verbose(ResultList[0])
        finally:
            MapFile.close()

    def __contains__(self, Var):
        return Var in self._Globals

    def __getitem__(self, Var):
        if Var not in self._Globals:
            return None
        return self._Globals[Var]

## MultipleFv() class
#
#  A class for Multiple FV
#
class MultipleFv(FirmwareVolume):
    def __init__(self, FvList):
        FirmwareVolume.__init__(self)
        self.BasicInfo = []
        for FvPath in FvList:
            FvName = os.path.splitext(os.path.split(FvPath)[1])[0]
            Fd = open(FvPath, 'rb')
            Buf = array('B')
            try:
                Buf.fromfile(Fd, os.path.getsize(FvPath))
            except EOFError:
                pass

            Fv = FirmwareVolume(FvName)
            Fv.frombuffer(Buf, 0, len(Buf))

            self.BasicInfo.append([Fv.Name, Fv.FileSystemGuid, Fv.Size])
            self.FfsDict.append(Fv.FfsDict)

# Version and Copyright
__version_number__ = "0.01"
__version__ = "%prog Version " + __version_number__
__copyright__ = "Copyright (c) 2008, Intel Corporation. All rights reserved."

## Parse command line options
#
# Using standard Python module optparse to parse command line option of this tool.
#
# @retval Options   A optparse.Values object containing the parsed options
# @retval InputFile Path of file to be trimmed
#
def GetOptions():
    OptionList = [
        make_option("-a", "--arch", dest="Arch",
                          help="The input file is preprocessed source code, including C or assembly code"),
        make_option("-p", "--platform", dest="ActivePlatform",
                          help="The input file is preprocessed VFR file"),
        make_option("-m", "--module", dest="ActiveModule",
                          help="Convert standard hex format (0xabcd) to MASM format (abcdh)"),
        make_option("-f", "--FDF-file", dest="FdfFile",
                          help="Convert standard hex format (0xabcd) to MASM format (abcdh)"),
        make_option("-o", "--output", dest="OutputDirectory",
                          help="File to store the trimmed content"),
        make_option("-t", "--toolchain-tag", dest="ToolChain",
                          help=""),
        make_option("-k", "--msft", dest="MakefileType", action="store_const", const="nmake",
                          help=""),
        make_option("-g", "--gcc", dest="MakefileType", action="store_const", const="gmake",
                          help=""),
        make_option("-v", "--verbose", dest="LogLevel", action="store_const", const=EdkLogger.VERBOSE,
                          help="Run verbosely"),
        make_option("-d", "--debug", dest="LogLevel", type="int",
                          help="Run with debug information"),
        make_option("-q", "--quiet", dest="LogLevel", action="store_const", const=EdkLogger.QUIET,
                          help="Run quietly"),
        make_option("-?", action="help", help="show this help message and exit"),
    ]

    # use clearer usage to override default usage message
    UsageString = "%prog [-a ARCH] [-p PLATFORM] [-m MODULE] [-t TOOLCHAIN_TAG] [-k] [-g] [-v|-d <debug_level>|-q] [-o <output_directory>] [GenC|GenMake]"

    Parser = OptionParser(description=__copyright__, version=__version__, option_list=OptionList, usage=UsageString)
    Parser.set_defaults(Arch=[])
    Parser.set_defaults(ActivePlatform=None)
    Parser.set_defaults(ActiveModule=None)
    Parser.set_defaults(OutputDirectory="build")
    Parser.set_defaults(FdfFile=None)
    Parser.set_defaults(ToolChain="MYTOOLS")
    if sys.platform == "win32":
        Parser.set_defaults(MakefileType="nmake")
    else:
        Parser.set_defaults(MakefileType="gmake")
    Parser.set_defaults(LogLevel=EdkLogger.INFO)

    Options, Args = Parser.parse_args()

    # error check
    if len(Args) == 0:
        Options.Target = "genmake"
        sys.argv.append("genmake")
    elif len(Args) == 1:
        Options.Target = Args[0].lower()
        if Options.Target not in ["genc", "genmake"]:
            EdkLogger.error("AutoGen", OPTION_NOT_SUPPORTED, "Not supported target",
                            ExtraData="%s\n\n%s" % (Options.Target, Parser.get_usage()))
    else:
        EdkLogger.error("AutoGen", OPTION_NOT_SUPPORTED, "Too many targets",
                        ExtraData=Parser.get_usage())

    return Options

## Entrance method
#
# This method mainly dispatch specific methods per the command line options.
# If no error found, return zero value so the caller of this tool can know
# if it's executed successfully or not.
#
# @retval 0     Tool was successful
# @retval 1     Tool failed
#
def Main():
    from build import build
    try:
        Option = GetOptions()
        build.main()
    except Exception, e:
        print e
        return 1

    return 0

# This acts like the main() function for the script, unless it is 'import'ed into another script.
if __name__ == '__main__':
    EdkLogger.Initialize()
    # sys.exit(Main())

    if len(sys.argv) > 1:
        FilePath = sys.argv[1]
        if FilePath.lower().endswith(".fv"):
            fd = open(FilePath, 'rb')
            buf = array('B')
            try:
                buf.fromfile(fd, os.path.getsize(FilePath))
            except EOFError:
                pass

            fv = FirmwareVolume("FVRECOVERY")
            fv.frombuffer(buf, 0, len(buf))
            #fv.Dispatch(None)
            print fv
        elif FilePath.endswith(".efi"):
            fd = open(FilePath, 'rb')
            buf = array('B')
            Size = os.path.getsize(FilePath)

            try:
                buf.fromfile(fd, Size)
            except EOFError:
                pass

            PeSection = Section(Type=0x10)
            PeSection.Data = buf
            sf, ext = os.path.splitext(os.path.basename(FilePath))
            sf += ".sec"
            PeSection.tofile(open(sf, 'wb'))
        elif FilePath.endswith(".map"):
            mf = LinkMap(FilePath)
